OpenVista(R) is the open-source version of VistA, an enterprise grade health care information system developed by the U.S. Veterans Affairs and deployed at 1,500 global facilities. OpenVista is a registered trademark of Medsphere Systems Corporation

LucidDB is a DBMS optimized for business intelligence. Besides architectural innovations such as column-store, it supports many advanced features from SQL:2003, including SQL/MED and user-defined transformations written in Java.

See http://www.cubrid.org/cluster. CUBRID Cluster is an open source clustered DBMS for high scalability including global schema, distributed partition and load balancing features. It is a spin-off project from CUBRID project and supported by NHN.

JPO (Jigs Persistent Objects) is the persistence layer for 'Jigs for Java' web applications, extracted here for use outside of 'Jigs'. JPO supports Domain-Driven Design while embracing the use of SQL snippets for object-based queries.

OpenSiteSearch is the new Open Source version of OCLC's original java-based web application for building Z39.50 portals (i.e. virtual union catalogues). This project is specifically aimed at the library community.

DraGnET is designed to assist with the management of annotated draft and complete genome sequence data. DraGnET also provides a web interface for BLAST and Batch BLAST search capabilities. Each search page has instructions for the use of the page.

FyDB is a distributed in-memory no-SQL DB. It supports distributed deployment, and can integrate heterogeneous data sources. Data of FyDB is stroed in memory as key-value structure, and it is also persistent.
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Mirage implements an complete 100% transparent Object Relational mapping for Java. It builds the database schema incrementally, to support incremental development and refactoring as it happens in Extreme Programming.

The nasca-db is an xml database server (working on document level). Documents (XML and nonXML) are stored in BerkelyDBXML and can be queried by XPath (later XQuery) and modified by XUpdate. Transactions, replication, locking and logging are full suported